[Term] id: PR:000001125 name: cannabinoid receptor 1 def: "A cannabinoid receptor that is a translation product of the human CNR1 gene or a 1:1 ortholog thereof. Preferred ligands are cannabinoids--molecules related to tetrahydrocannabinol (THC), the psychoactive ingredient of cannabis. Endogenous cannabinoids serve as neurotransmitters. This receptor is expressed primarily in the brain." [PRO:WCB, Wikipedia:Cannabinoids] comment: Category=gene. synonym: "CB1" EXACT [] synonym: "CNR" RELATED Gene-based [] synonym: "CB-R" EXACT [] synonym: "CNR1" EXACT PRO-short-label [PRO:DNx] synonym: "CANN6" EXACT [] synonym: "brain-type cannabinoid receptor" EXACT [] xref: IUPHARobj:56 xref: PIRSF:PIRSF037995 is_a: PR:000044639 ! cannabinoid receptor